Optical detector mounted on a circuit board in a sewing machine

Details Optical detector mounted on a circuit board in a sewing machine Optical detector mounted on a circuit board in a sewing machine

1992-05-14

1993-06-01

Nerbun, Peter

Sewing

Special machines

Darning

112272, 250239, D05B 1900

Patent

active

052150208

ABSTRACT:
An optical sensor (22) for an evaluating device on a sewing machine has a light transmitter (4) and a light receiver (21), which is separate from the light transmitter (4), and is arranged in a needle plate (17) in the path of the beam from the light transmitter (4). The transition (24) between the needle plate (17) and the support (15) is designed as an interface (25) with predescribed positions for transferring electronic signals and predescribed positions being fitted as contacts (26,27) and counter-contacts (28,29).

REFERENCES:
patent: 4188901 (1980-02-01), Beckerman
patent: 4574719 (1986-03-01), Balke
patent: 4612867 (1986-09-01), Rosch et al.
patent: 4817542 (1989-04-01), Ando et al.
patent: 4967676 (1990-11-01), Hagino et al.
patent: 5013911 (1991-05-01), Koshida et al.

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